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Claude 2.1 vs DeepSeek V3.1 Terminus

Both have similar output pricing, while DeepSeek V3.1 Terminus offers a larger context window. Choose Claude 2.1 or DeepSeek V3.1 Terminus based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecClaude 2.1DeepSeek V3.1 Terminus
ProviderAnthropicDeepSeek
Input / 1M tokens—$0.27
Output / 1M tokens—$1.00
Context window—164K
Parameters——
Open weightsNo—
ReleasedNov 2023—
GPQA Diamond score33.0—
Epoch Capabilities Index score119—
LMArena (Chatbot Arena) Elo score—1419

FAQ

Is Claude 2.1 or DeepSeek V3.1 Terminus cheaper?

Claude 2.1 and DeepSeek V3.1 Terminus have comparable output pricing.

Which has the larger context window, Claude 2.1 or DeepSeek V3.1 Terminus?

DeepSeek V3.1 Terminus has the larger context window (164K tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.